src/core/coresession.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2013 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "coresession.h"
  22
  23 #include <QtScript>
  24
  25 #include "core.h"
  26 #include "coreuserinputhandler.h"
  27 #include "corebuffersyncer.h"
  28 #include "corebacklogmanager.h"
  29 #include "corebufferviewmanager.h"
  30 #include "coreeventmanager.h"
  31 #include "coreidentity.h"
  32 #include "coreignorelistmanager.h"
  33 #include "coreirclisthelper.h"
  34 #include "corenetwork.h"
  35 #include "corenetworkconfig.h"
  36 #include "coresessioneventprocessor.h"
  37 #include "coreusersettings.h"
  38 #include "ctcpparser.h"
  39 #include "eventstringifier.h"
  40 #include "internalpeer.h"
  41 #include "ircchannel.h"
  42 #include "ircparser.h"
  43 #include "ircuser.h"
  44 #include "logger.h"
  45 #include "messageevent.h"
  46 #include "storage.h"
  47 #include "util.h"
  48
  49 #include "protocols/legacy/legacypeer.h"
  50
  51 class ProcessMessagesEvent : public QEvent
  52 {
  53 public:
  54     ProcessMessagesEvent() : QEvent(QEvent::User) {}
  55 };
  56
  57
  58 CoreSession::CoreSession(UserId uid, bool restoreState, QObject *parent)
  59     : QObject(parent),
  60     _user(uid),
  61     _signalProxy(new SignalProxy(SignalProxy::Server, this)),
  62     _aliasManager(this),
  63     _bufferSyncer(new CoreBufferSyncer(this)),
  64     _backlogManager(new CoreBacklogManager(this)),
  65     _bufferViewManager(new CoreBufferViewManager(_signalProxy, this)),
  66     _ircListHelper(new CoreIrcListHelper(this)),
  67     _networkConfig(new CoreNetworkConfig("GlobalNetworkConfig", this)),
  68     _coreInfo(this),
  69     _eventManager(new CoreEventManager(this)),
  70     _eventStringifier(new EventStringifier(this)),
  71     _sessionEventProcessor(new CoreSessionEventProcessor(this)),
  72     _ctcpParser(new CtcpParser(this)),
  73     _ircParser(new IrcParser(this)),
  74     scriptEngine(new QScriptEngine(this)),
  75     _processMessages(false),
  76     _ignoreListManager(this)
  77 {
  78     SignalProxy *p = signalProxy();
  79     p->setHeartBeatInterval(30);
  80     p->setMaxHeartBeatCount(60); // 30 mins until we throw a dead socket out
  81
  82     connect(p, SIGNAL(peerRemoved(Peer*)), SLOT(removeClient(Peer*)));
  83
  84     connect(p, SIGNAL(connected()), SLOT(clientsConnected()));
  85     connect(p, SIGNAL(disconnected()), SLOT(clientsDisconnected()));
  86
  87     p->attachSlot(SIGNAL(sendInput(BufferInfo, QString)), this, SLOT(msgFromClient(BufferInfo, QString)));
  88     p->attachSignal(this, SIGNAL(displayMsg(Message)));
  89     p->attachSignal(this, SIGNAL(displayStatusMsg(QString, QString)));
  90
  91     p->attachSignal(this, SIGNAL(identityCreated(const Identity &)));
  92     p->attachSignal(this, SIGNAL(identityRemoved(IdentityId)));
  93     p->attachSlot(SIGNAL(createIdentity(const Identity &, const QVariantMap &)), this, SLOT(createIdentity(const Identity &, const QVariantMap &)));
  94     p->attachSlot(SIGNAL(removeIdentity(IdentityId)), this, SLOT(removeIdentity(IdentityId)));
  95
  96     p->attachSignal(this, SIGNAL(networkCreated(NetworkId)));
  97     p->attachSignal(this, SIGNAL(networkRemoved(NetworkId)));
  98     p->attachSlot(SIGNAL(createNetwork(const NetworkInfo &, const QStringList &)), this, SLOT(createNetwork(const NetworkInfo &, const QStringList &)));
  99     p->attachSlot(SIGNAL(removeNetwork(NetworkId)), this, SLOT(removeNetwork(NetworkId)));
 100
 101     loadSettings();
 102     initScriptEngine();
 103
 104     eventManager()->registerObject(ircParser(), EventManager::NormalPriority);
 105     eventManager()->registerObject(sessionEventProcessor(), EventManager::HighPriority); // needs to process events *before* the stringifier!
 106     eventManager()->registerObject(ctcpParser(), EventManager::NormalPriority);
 107     eventManager()->registerObject(eventStringifier(), EventManager::NormalPriority);
 108     eventManager()->registerObject(this, EventManager::LowPriority); // for sending MessageEvents to the client
 109     // some events need to be handled after msg generation
 110     eventManager()->registerObject(sessionEventProcessor(), EventManager::LowPriority, "lateProcess");
 111     eventManager()->registerObject(ctcpParser(), EventManager::LowPriority, "send");
 112
 113     // periodically save our session state
 114     connect(&(Core::instance()->syncTimer()), SIGNAL(timeout()), this, SLOT(saveSessionState()));
 115
 116     p->synchronize(_bufferSyncer);
 117     p->synchronize(&aliasManager());
 118     p->synchronize(_backlogManager);
 119     p->synchronize(ircListHelper());
 120     p->synchronize(networkConfig());
 121     p->synchronize(&_coreInfo);
 122     p->synchronize(&_ignoreListManager);
 123     // Restore session state
 124     if (restoreState)
 125         restoreSessionState();
 126
 127     emit initialized();
 128 }
 129
 130
 131 CoreSession::~CoreSession()
 132 {
 133     saveSessionState();
 134     foreach(CoreNetwork *net, _networks.values()) {
 135         delete net;
 136     }
 137 }
 138
 139
 140 CoreNetwork *CoreSession::network(NetworkId id) const
 141 {
 142     if (_networks.contains(id)) return _networks[id];
 143     return 0;
 144 }
 145
 146
 147 CoreIdentity *CoreSession::identity(IdentityId id) const
 148 {
 149     if (_identities.contains(id)) return _identities[id];
 150     return 0;
 151 }
 152
 153
 154 void CoreSession::loadSettings()
 155 {
 156     CoreUserSettings s(user());
 157
 158     // migrate to db
 159     QList<IdentityId> ids = s.identityIds();
 160     QList<NetworkInfo> networkInfos = Core::networks(user());
 161     foreach(IdentityId id, ids) {
 162         CoreIdentity identity(s.identity(id));
 163         IdentityId newId = Core::createIdentity(user(), identity);
 164         QList<NetworkInfo>::iterator networkIter = networkInfos.begin();
 165         while (networkIter != networkInfos.end()) {
 166             if (networkIter->identity == id) {
 167                 networkIter->identity = newId;
 168                 Core::updateNetwork(user(), *networkIter);
 169                 networkIter = networkInfos.erase(networkIter);
 170             }
 171             else {
 172                 networkIter++;
 173             }
 174         }
 175         s.removeIdentity(id);
 176     }
 177     // end of migration
 178
 179     foreach(CoreIdentity identity, Core::identities(user())) {
 180         createIdentity(identity);
 181     }
 182
 183     foreach(NetworkInfo info, Core::networks(user())) {
 184         createNetwork(info);
 185     }
 186 }
 187
 188
 189 void CoreSession::saveSessionState() const
 190 {
 191     _bufferSyncer->storeDirtyIds();
 192     _bufferViewManager->saveBufferViews();
 193     _networkConfig->save();
 194 }
 195
 196
 197 void CoreSession::restoreSessionState()
 198 {
 199     QList<NetworkId> nets = Core::connectedNetworks(user());
 200     CoreNetwork *net = 0;
 201     foreach(NetworkId id, nets) {
 202         net = network(id);
 203         Q_ASSERT(net);
 204         net->connectToIrc();
 205     }
 206 }
 207
 208
 209 void CoreSession::addClient(RemotePeer *peer)
 210 {
 211     QVariantMap reply;
 212     reply["MsgType"] = "SessionInit";
 213     reply["SessionState"] = sessionState();
 214     peer->writeSocketData(reply);
 215     signalProxy()->addPeer(peer);
 216 }
 217
 218
 219 void CoreSession::addClient(InternalPeer *peer)
 220 {
 221     signalProxy()->addPeer(peer);
 222     emit sessionState(sessionState());
 223 }
 224
 225
 226 void CoreSession::removeClient(Peer *peer)
 227 {
 228     RemotePeer *p = qobject_cast<RemotePeer *>(peer);
 229     if (p)
 230         quInfo() << qPrintable(tr("Client")) << p->description() << qPrintable(tr("disconnected (UserId: %1).").arg(user().toInt()));
 231 }
 232
 233
 234 QHash<QString, QString> CoreSession::persistentChannels(NetworkId id) const
 235 {
 236     return Core::persistentChannels(user(), id);
 237 }
 238
 239
 240 // FIXME switch to BufferId
 241 void CoreSession::msgFromClient(BufferInfo bufinfo, QString msg)
 242 {
 243     CoreNetwork *net = network(bufinfo.networkId());
 244     if (net) {
 245         net->userInput(bufinfo, msg);
 246     }
 247     else {
 248         qWarning() << "Trying to send to unconnected network:" << msg;
 249     }
 250 }
 251
 252
 253 // ALL messages coming pass through these functions before going to the GUI.
 254 // So this is the perfect place for storing the backlog and log stuff.
 255 void CoreSession::recvMessageFromServer(NetworkId networkId, Message::Type type, BufferInfo::Type bufferType,
 256     const QString &target, const QString &text_, const QString &sender, Message::Flags flags)
 257 {
 258     // U+FDD0 and U+FDD1 are special characters for Qt's text engine, specifically they mark the boundaries of
 259     // text frames in a QTextDocument. This might lead to problems in widgets displaying QTextDocuments (such as
 260     // KDE's notifications), hence we remove those just to be safe.
 261     QString text = text_;
 262     text.remove(QChar(0xfdd0)).remove(QChar(0xfdd1));
 263     RawMessage rawMsg(networkId, type, bufferType, target, text, sender, flags);
 264
 265     // check for HardStrictness ignore
 266     CoreNetwork *currentNetwork = network(networkId);
 267     QString networkName = currentNetwork ? currentNetwork->networkName() : QString("");
 268     if (_ignoreListManager.match(rawMsg, networkName) == IgnoreListManager::HardStrictness)
 269         return;
 270
 271     _messageQueue << rawMsg;
 272     if (!_processMessages) {
 273         _processMessages = true;
 274         QCoreApplication::postEvent(this, new ProcessMessagesEvent());
 275     }
 276 }
 277
 278
 279 void CoreSession::recvStatusMsgFromServer(QString msg)
 280 {
 281     CoreNetwork *net = qobject_cast<CoreNetwork *>(sender());
 282     Q_ASSERT(net);
 283     emit displayStatusMsg(net->networkName(), msg);
 284 }
 285
 286
 287 void CoreSession::processMessageEvent(MessageEvent *event)
 288 {
 289     recvMessageFromServer(event->networkId(), event->msgType(), event->bufferType(),
 290         event->target().isNull() ? "" : event->target(),
 291         event->text().isNull() ? "" : event->text(),
 292         event->sender().isNull() ? "" : event->sender(),
 293         event->msgFlags());
 294 }
 295
 296
 297 QList<BufferInfo> CoreSession::buffers() const
 298 {
 299     return Core::requestBuffers(user());
 300 }
 301
 302
 303 void CoreSession::customEvent(QEvent *event)
 304 {
 305     if (event->type() != QEvent::User)
 306         return;
 307
 308     processMessages();
 309     event->accept();
 310 }
 311
 312
 313 void CoreSession::processMessages()
 314 {
 315     if (_messageQueue.count() == 1) {
 316         const RawMessage &rawMsg = _messageQueue.first();
 317         bool createBuffer = !(rawMsg.flags & Message::Redirected);
 318         BufferInfo bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
 319         if (!bufferInfo.isValid()) {
 320             Q_ASSERT(!createBuffer);
 321             bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
 322         }
 323         Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
 324         Core::storeMessage(msg);
 325         emit displayMsg(msg);
 326     }
 327     else {
 328         QHash<NetworkId, QHash<QString, BufferInfo> > bufferInfoCache;
 329         MessageList messages;
 330         QList<RawMessage> redirectedMessages; // list of Messages which don't enforce a buffer creation
 331         BufferInfo bufferInfo;
 332         for (int i = 0; i < _messageQueue.count(); i++) {
 333             const RawMessage &rawMsg = _messageQueue.at(i);
 334             if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
 335                 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
 336             }
 337             else {
 338                 bool createBuffer = !(rawMsg.flags & Message::Redirected);
 339                 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
 340                 if (!bufferInfo.isValid()) {
 341                     Q_ASSERT(!createBuffer);
 342                     redirectedMessages << rawMsg;
 343                     continue;
 344                 }
 345                 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
 346             }
 347             Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
 348             messages << msg;
 349         }
 350
 351         // recheck if there exists a buffer to store a redirected message in
 352         for (int i = 0; i < redirectedMessages.count(); i++) {
 353             const RawMessage &rawMsg = _messageQueue.at(i);
 354             if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
 355                 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
 356             }
 357             else {
 358                 // no luck -> we store them in the StatusBuffer
 359                 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
 360                 // add the StatusBuffer to the Cache in case there are more Messages for the original target
 361                 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
 362             }
 363             Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
 364             messages << msg;
 365         }
 366
 367         Core::storeMessages(messages);
 368         // FIXME: extend protocol to a displayMessages(MessageList)
 369         for (int i = 0; i < messages.count(); i++) {
 370             emit displayMsg(messages[i]);
 371         }
 372     }
 373     _processMessages = false;
 374     _messageQueue.clear();
 375 }
 376
 377
 378 QVariant CoreSession::sessionState()
 379 {
 380     QVariantMap v;
 381
 382     v["CoreFeatures"] = (int)Quassel::features();
 383
 384     QVariantList bufs;
 385     foreach(BufferInfo id, buffers()) bufs << qVariantFromValue(id);
 386     v["BufferInfos"] = bufs;
 387     QVariantList networkids;
 388     foreach(NetworkId id, _networks.keys()) networkids << qVariantFromValue(id);
 389     v["NetworkIds"] = networkids;
 390
 391     quint32 ircusercount = 0;
 392     quint32 ircchannelcount = 0;
 393     foreach(Network *net, _networks.values()) {
 394         ircusercount += net->ircUserCount();
 395         ircchannelcount += net->ircChannelCount();
 396     }
 397     v["IrcUserCount"] = ircusercount;
 398     v["IrcChannelCount"] = ircchannelcount;
 399
 400     QList<QVariant> idlist;
 401     foreach(Identity *i, _identities.values()) idlist << qVariantFromValue(*i);
 402     v["Identities"] = idlist;
 403
 404     //v["Payload"] = QByteArray(100000000, 'a');  // for testing purposes
 405     return v;
 406 }
 407
 408
 409 void CoreSession::initScriptEngine()
 410 {
 411     signalProxy()->attachSlot(SIGNAL(scriptRequest(QString)), this, SLOT(scriptRequest(QString)));
 412     signalProxy()->attachSignal(this, SIGNAL(scriptResult(QString)));
 413
 414     // FIXME
 415     //QScriptValue storage_ = scriptEngine->newQObject(storage);
 416     //scriptEngine->globalObject().setProperty("storage", storage_);
 417 }
 418
 419
 420 void CoreSession::scriptRequest(QString script)
 421 {
 422     emit scriptResult(scriptEngine->evaluate(script).toString());
 423 }
 424
 425
 426 /*** Identity Handling ***/
 427 void CoreSession::createIdentity(const Identity &identity, const QVariantMap &additional)
 428 {
 429 #ifndef HAVE_SSL
 430     Q_UNUSED(additional)
 431 #endif
 432
 433     CoreIdentity coreIdentity(identity);
 434 #ifdef HAVE_SSL
 435     if (additional.contains("KeyPem"))
 436         coreIdentity.setSslKey(additional["KeyPem"].toByteArray());
 437     if (additional.contains("CertPem"))
 438         coreIdentity.setSslCert(additional["CertPem"].toByteArray());
 439 #endif
 440     qDebug() << Q_FUNC_INFO;
 441     IdentityId id = Core::createIdentity(user(), coreIdentity);
 442     if (!id.isValid())
 443         return;
 444     else
 445         createIdentity(coreIdentity);
 446 }
 447
 448
 449 void CoreSession::createIdentity(const CoreIdentity &identity)
 450 {
 451     CoreIdentity *coreIdentity = new CoreIdentity(identity, this);
 452     _identities[identity.id()] = coreIdentity;
 453     // CoreIdentity has its own synchronize method since its "private" sslManager needs to be synced as well
 454     coreIdentity->synchronize(signalProxy());
 455     connect(coreIdentity, SIGNAL(updated()), this, SLOT(updateIdentityBySender()));
 456     emit identityCreated(*coreIdentity);
 457 }
 458
 459
 460 void CoreSession::updateIdentityBySender()
 461 {
 462     CoreIdentity *identity = qobject_cast<CoreIdentity *>(sender());
 463     if (!identity)
 464         return;
 465     Core::updateIdentity(user(), *identity);
 466 }
 467
 468
 469 void CoreSession::removeIdentity(IdentityId id)
 470 {
 471     CoreIdentity *identity = _identities.take(id);
 472     if (identity) {
 473         emit identityRemoved(id);
 474         Core::removeIdentity(user(), id);
 475         identity->deleteLater();
 476     }
 477 }
 478
 479
 480 /*** Network Handling ***/
 481
 482 void CoreSession::createNetwork(const NetworkInfo &info_, const QStringList &persistentChans)
 483 {
 484     NetworkInfo info = info_;
 485     int id;
 486
 487     if (!info.networkId.isValid())
 488         Core::createNetwork(user(), info);
 489
 490     if (!info.networkId.isValid()) {
 491         qWarning() << qPrintable(tr("CoreSession::createNetwork(): Got invalid networkId from Core when trying to create network %1!").arg(info.networkName));
 492         return;
 493     }
 494
 495     id = info.networkId.toInt();
 496     if (!_networks.contains(id)) {
 497         // create persistent chans
 498         QRegExp rx("\\s*(\\S+)(?:\\s*(\\S+))?\\s*");
 499         foreach(QString channel, persistentChans) {
 500             if (!rx.exactMatch(channel)) {
 501                 qWarning() << QString("Invalid persistent channel declaration: %1").arg(channel);
 502                 continue;
 503             }
 504             Core::bufferInfo(user(), info.networkId, BufferInfo::ChannelBuffer, rx.cap(1), true);
 505             Core::setChannelPersistent(user(), info.networkId, rx.cap(1), true);
 506             if (!rx.cap(2).isEmpty())
 507                 Core::setPersistentChannelKey(user(), info.networkId, rx.cap(1), rx.cap(2));
 508         }
 509
 510         CoreNetwork *net = new CoreNetwork(id, this);
 511         connect(net, SIGNAL(displayMsg(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)),
 512             SLOT(recvMessageFromServer(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)));
 513         connect(net, SIGNAL(displayStatusMsg(QString)), SLOT(recvStatusMsgFromServer(QString)));
 514         connect(net, SIGNAL(disconnected(NetworkId)), SIGNAL(networkDisconnected(NetworkId)));
 515
 516         net->setNetworkInfo(info);
 517         net->setProxy(signalProxy());
 518         _networks[id] = net;
 519         signalProxy()->synchronize(net);
 520         emit networkCreated(id);
 521     }
 522     else {
 523         qWarning() << qPrintable(tr("CoreSession::createNetwork(): Trying to create a network that already exists, updating instead!"));
 524         _networks[info.networkId]->requestSetNetworkInfo(info);
 525     }
 526 }
 527
 528
 529 void CoreSession::removeNetwork(NetworkId id)
 530 {
 531     // Make sure the network is disconnected!
 532     CoreNetwork *net = network(id);
 533     if (!net)
 534         return;
 535
 536     if (net->connectionState() != Network::Disconnected) {
 537         // make sure we no longer receive data from the tcp buffer
 538         disconnect(net, SIGNAL(displayMsg(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)), this, 0);
 539         disconnect(net, SIGNAL(displayStatusMsg(QString)), this, 0);
 540         connect(net, SIGNAL(disconnected(NetworkId)), this, SLOT(destroyNetwork(NetworkId)));
 541         net->disconnectFromIrc();
 542     }
 543     else {
 544         destroyNetwork(id);
 545     }
 546 }
 547
 548
 549 void CoreSession::destroyNetwork(NetworkId id)
 550 {
 551     QList<BufferId> removedBuffers = Core::requestBufferIdsForNetwork(user(), id);
 552     Network *net = _networks.take(id);
 553     if (net && Core::removeNetwork(user(), id)) {
 554         // make sure that all unprocessed RawMessages from this network are removed
 555         QList<RawMessage>::iterator messageIter = _messageQueue.begin();
 556         while (messageIter != _messageQueue.end()) {
 557             if (messageIter->networkId == id) {
 558                 messageIter = _messageQueue.erase(messageIter);
 559             }
 560             else {
 561                 messageIter++;
 562             }
 563         }
 564         // remove buffers from syncer
 565         foreach(BufferId bufferId, removedBuffers) {
 566             _bufferSyncer->removeBuffer(bufferId);
 567         }
 568         emit networkRemoved(id);
 569         net->deleteLater();
 570     }
 571 }
 572
 573
 574 void CoreSession::renameBuffer(const NetworkId &networkId, const QString &newName, const QString &oldName)
 575 {
 576     BufferInfo bufferInfo = Core::bufferInfo(user(), networkId, BufferInfo::QueryBuffer, oldName, false);
 577     if (bufferInfo.isValid()) {
 578         _bufferSyncer->renameBuffer(bufferInfo.bufferId(), newName);
 579     }
 580 }
 581
 582
 583 void CoreSession::clientsConnected()
 584 {
 585     QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
 586     Identity *identity = 0;
 587     CoreNetwork *net = 0;
 588     IrcUser *me = 0;
 589     while (netIter != _networks.end()) {
 590         net = *netIter;
 591         netIter++;
 592
 593         if (!net->isConnected())
 594             continue;
 595         identity = net->identityPtr();
 596         if (!identity)
 597             continue;
 598         me = net->me();
 599         if (!me)
 600             continue;
 601
 602         if (identity->detachAwayEnabled() && me->isAway()) {
 603             net->userInputHandler()->handleAway(BufferInfo(), QString());
 604         }
 605     }
 606 }
 607
 608
 609 void CoreSession::clientsDisconnected()
 610 {
 611     QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
 612     Identity *identity = 0;
 613     CoreNetwork *net = 0;
 614     IrcUser *me = 0;
 615     QString awayReason;
 616     while (netIter != _networks.end()) {
 617         net = *netIter;
 618         netIter++;
 619
 620         if (!net->isConnected())
 621             continue;
 622
 623         identity = net->identityPtr();
 624         if (!identity)
 625             continue;
 626         me = net->me();
 627         if (!me)
 628             continue;
 629
 630         if (identity->detachAwayEnabled() && !me->isAway()) {
 631             if (!identity->detachAwayReason().isEmpty())
 632                 awayReason = identity->detachAwayReason();
 633             net->setAutoAwayActive(true);
 634             net->userInputHandler()->handleAway(BufferInfo(), awayReason);
 635         }
 636     }
 637 }
 638
 639
 640 void CoreSession::globalAway(const QString &msg)
 641 {
 642     QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
 643     CoreNetwork *net = 0;
 644     while (netIter != _networks.end()) {
 645         net = *netIter;
 646         netIter++;
 647
 648         if (!net->isConnected())
 649             continue;
 650
 651         net->userInputHandler()->issueAway(msg, false /* no force away */);
 652     }
 653 }